Algebra 2

4. binomials of the form a+b and a-b
8. a measure of the strength and direction of the relationship between two variables or data sets
9. a selection of a group of objects in which order is not important
11. triangle: an angle that measures 90 degrees
12. the statistical study of the relationship between variables
14. if n is a positive integer then n factorial, written n is n*(n-1)*(n-2)

1. in a right triangle, the cosine of angle A is the ratio of the length of the side adjacent to angle A to the length of the hypotenuse
2. the side opposite the right angle in a right triangle
3. Coefficient: a number r where -1<r<1 that describes how closely the points in a scatter plot cluster around the least squares line
5. in a right triangle, the cosecant of angle A is the ratio of the length of the hypotenuse to the length of the side opposite A
6. Formula: in a coordinate plane, the distance from (x1,y1) to (x2,y2)
7. an arrangement of a group of objects in which order is important
10. of best fit: the line that comes closest to all of the points in a data set
13. of linear inequalities: a system of equations containing only linear equations
15. of a right triangle: one of the two sides of a right triangle that forms the right angle